Behavioural Insights Projects
Discover projects applying behavioural science to policy from around the world. Add your own projects, whether completed or still ongoing, to contribute knowledge on BI applications across different countries, policy areas, and topics of interest.

Number of BI projects:
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Legend: Projects status
- Pre-registered project
- Completed project
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BI Project
The Netherlands Authority for Consumers & Markets (ACM) conducted an experiment to investigate the effect of incomplete prices when booking a holiday home. Websites that display incomplete prices cause greater uncertainty, make choosing more difficult, undermine trust and give the feeling of deception compared to websites displaying transparent prices.
Why this experiment was conducted: unclear picture of actual costs
In 2021, the ACM conducted a study into effective transparency. The aim was…
In partnership with the Public Health Agency of Canada’s Office of Behavioural Science (BeSciO), the Privy Council Office’s Impact and Innovation Unit (IIU) has launched a multi-wave public opinion research survey to better understand public health challenges in Canada. The 'Health, Attitudes, and Behavioural Insights Trends' (HABIT) survey, combines research methods from the field of behavioural science (BeSci) with robust policy analysis to help inform government policies, programs, and…
BI Project
Instilling the habit of more frequent hand washing in office settings: how to encourage proper and…
Washing your hands regularly with soap and water is an effective and easy way of reducing the risk of people falling ill with COVID-19, influenzas or a cold, or contracting other viral illnesses. Stickers and posters were developed focusing on reframing, nudging and habit stacking. Displaying the posters in the office environment led to an increase in handwashing amongst employees. Soap consumption went up.
Why this experiment was conducted: improved hygiene standards in the workplace is the…
BI Project
Website Verbeterjehuis.nl helps homeowners choose the right sustainability measures: which…
This online experiment tested various ways in which sustainability measures for homeowners are presented on the website verbeterjehuis.nl, ‘improve your home’. The variant emphasising that the sustainability measures are 'recommended for your personal situation' proved to be most effective. This addition acts as an incentive to homeowners to install roof insulation or adopt other sustainability measures.
Why this experiment was conducted: verbeterjehuis.nl website optimisation
Homeowners…
Challenge
Many eligible college students fail to apply for financial aid offered by the federal government altogether. Of those who do apply, many more reduce their chances of receiving aid by failing to apply by the priority deadline. In the 2013-2014 school year, more than 80% of students at Arizona State University who filed their financial aid applications did so after the priority deadline had passed, which can result in a lower aid package. This project’s goal was to increase the number…
BI Project
Making sure that young people get vaccinated against HPV: How do you encourage both boys and girls…
A campaign was launched to encourage young people to get the catch-up vaccination against Human Papillomavirus (HPV). The campaign succeeded in promoting discussion and increased awareness of HPV as well as persuading young people to get vaccinated.
Why this experiment was conducted: provide boys and girls with a vaccine they might not have received
In 2022 and 2023, boys were invited for the first time and girls were invited again to get vaccinated against the Human Papillomavirus (HPV). HPV…
PROJECT SUMMARY
To increase uptake of flu vaccines and maintain a healthy workforce during the 2016-17 flu season, New York City’s Behavioral Design Team (NYC BDT) partnered with WorkWell NYC to design behaviorally informed emails to encourage New York City employees to visit a worksite flu clinic. One version of the redesigned email used the strategy of “enhanced active choice,” whereby employees were prompted to make a choice that had a clear right answer.
IMPACT
Behavioral emails more…
Challenge
Conditional cash transfers are funds given to households if they fulfill certain requirements, such as sending their children to school. These cash transfers can boost households’ investment in health and education; however, they are expensive, and it is often complicated to track and enforce compliance with the requirements. Removing the conditions may make cash transfer programs more cost effective by decreasing administrative costs, while still providing a nudge to increase school…
BI Project
Broader job search: How can jobseekers be encouraged to explore fields and professions with better…
Some jobseekers remain unemployed because they focus on professions and felds in which the job prospects are not favourable. What happens when they receive personalised labour market information about more promising professions and positions that match their knowledge and skills? Compared to people who do not receive that information, they are more likely to move into professions that are completely different from the profession with poor job outlooks that was their first preference.
Why this…
Online experiment tested two novel public health messages on social distancing.
•Messages focused on potential to infect vulnerable people or many people.
•Participants (N = 500) randomized to see control or (one of two) treatment posters.
•Behavioral intentions and acceptability judgements of behaviors measured later.
•Both posters increased caution with respect to social distancing.